Patents by Inventor Takenori MURAMATSU

Takenori MURAMATSU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Engine balance shift
    Patent number: 9739342
    Abstract: A motorcycle has a crankcase containing a crank shaft and a balancer shaft, and a cylinder and a cylinder head positioned above the crankcase, and an exhaust pipe extends from the cylinder head. The balancer shaft is positioned in front of the crank shaft, and the crankcase has a balancer shaft housing supporting the balancer shaft thereinside, and has a recessed part depressed rearward in a front end center part of the balancer shaft housing. The balancer shaft has balancer shaft weights apart from each other in one side and in the other side in an axis direction.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: August 22, 2017
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Ken Shibano, Kunihiko Hiraoka, Takenori Muramatsu, Hidekuni Ota
  • MOTORCYCLE
    Publication number: 20150113984
    Abstract: A motorcycle has a crankcase containing a crank shaft and a balancer shaft, and a cylinder and a cylinder head positioned above the crankcase, and an exhaust pipe extends from the cylinder head. The balancer shaft is positioned in front of the crank shaft, and the crankcase has a balancer shaft housing supporting the balancer shaft thereinside, and has a recessed part depressed rearward in a front end center part of the balancer shaft housing. The balancer shaft has balancer shaft weights apart from each other in one side and in the other side in an axis direction.
    Type: Application
    Filed: October 8, 2014
    Publication date: April 30, 2015
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Ken SHIBANO, Kunihiko HIRAOKA, Takenori MURAMATSU, Hidekuni OTA